What is the cheapest airline that flies from Seoul Gimpo Intl to Seattle/Tacoma Intl?

Japan Airlines is the most popular carrier operating from Seoul Gimpo Intl to Seattle/Tacoma Intl

What day of the week experiences the fewest flight delays on this route?

Sunday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

What is the most punctual flight time for Seoul to Seattle flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

How often are flights from Seoul to Seattle delayed?

Historically, on average around 0% of flights between Seoul and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

When did momondo last update prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport refresh daily.

How old do you have to be to fly from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$565 Cheap Flights from Seoul Gimpo Intl Airport to Seattle in 2026

Find the cheapest flights from Seoul Gimpo Intl Airport to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:25 pm - 9:57 pm

GMP

SEA

23h 32m

2 stops

10:10 am - 10:15 pm

SEA

GMP

19h 05m

2 stops

$1,074Multiple Airlines

Tue, Oct 27 - Fri, Nov 27

7:55 pm - 2:25 pm

GMP

SEA

34h 30m

1 stop

4:30 pm - 11:05 am

SEA

GMP

26h 35m

1 stop

$1,237ANA

Thu, Aug 27 - Thu, Sep 3

9:15 am - 2:22 pm

GMP

SEA

21h 07m

2 stops

10:40 am - 10:25 pm

SEA

GMP

19h 45m

2 stops

$1,261Multiple Airlines

Tue, Sep 1 - Mon, Sep 7

1:50 pm - 7:50 pm

GMP

SEA

22h 00m

1 stop

1:30 am - 6:10 pm

SEA

GMP

24h 40m

1 stop

$1,266EVA Air

Sat, Aug 29 - Sun, Oct 4

12:40 pm - 2:25 pm

GMP

SEA

17h 45m

1 stop

10:10 am - 10:30 pm

SEA

GMP

20h 20m

2 stops

$1,269ANA

Thu, Oct 15 - Thu, Oct 29

12:25 pm - 2:20 pm

GMP

SEA

17h 55m

1 stop

10:10 am - 10:30 pm

SEA

GMP

19h 20m

2 stops

$1,270ANA

Tue, Oct 27 - Tue, Nov 24

12:40 pm - 2:25 pm

GMP

SEA

17h 45m

1 stop

4:30 pm - 11:05 am

SEA

GMP

26h 35m

1 stop

$1,273ANA

Mon, Sep 7 - Mon, Sep 21

12:25 pm - 6:22 pm

GMP

SEA

21h 57m

2 stops

10:10 am - 10:30 pm

SEA

GMP

19h 20m

2 stops

$1,278ANA

Tue, Oct 27 - Tue, Nov 24

7:45 am - 1:20 pm

GMP

SEA

22h 35m

1 stop

10:10 am - 10:30 pm

SEA

GMP

19h 20m

2 stops

$1,280ANA

Thu, Dec 10 - Tue, Dec 22

12:25 pm - 6:22 pm

GMP

SEA

22h 57m

2 stops

10:10 am - 10:30 pm

SEA

GMP

19h 20m

2 stops

$1,281ANA

Thu, Dec 10 - Tue, Dec 22

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ANA flights from Seoul Gimpo Intl Airport to Seattle

Our best ANA deals on Seoul Gimpo Intl Airport to Seattle flight tickets

ANA

Aug 27

GMP7:55 pmSeoul Gimpo Intl

34h 30m

1 stop

SEA2:25 pmSeattle/Tacoma Intl

Sep 3

SEA4:30 pmSeattle/Tacoma Intl

26h 35m

1 stop

GMP11:05 amSeoul Gimpo Intl

$1,237

ANA

Oct 15

GMP12:40 pmSeoul Gimpo Intl

17h 45m

1 stop

SEA2:25 pmSeattle/Tacoma Intl

Oct 29

SEA10:10 amSeattle/Tacoma Intl

20h 20m

2 stops

GMP10:30 pmSeoul Gimpo Intl

$1,269

ANA

Sep 7

GMP12:40 pmSeoul Gimpo Intl

17h 45m

1 stop

SEA2:25 pmSeattle/Tacoma Intl

Sep 21

SEA4:30 pmSeattle/Tacoma Intl

26h 35m

1 stop

GMP11:05 amSeoul Gimpo Intl

$1,273

Japan Airlines flights from Seoul Gimpo Intl Airport to Seattle

Our best Japan Airlines deals on Seoul Gimpo Intl Airport to Seattle flight tickets

Japan Airlines

Jul 19

GMP8:00 amSeoul Gimpo Intl

21h 48m

2 stops

SEA1:48 pmSeattle/Tacoma Intl

Jul 24

SEA7:00 amSeattle/Tacoma Intl

22h 15m

2 stops

GMP9:15 pmSeoul Gimpo Intl

$1,929

Japan Airlines

Jul 19

GMP8:00 amSeoul Gimpo Intl

21h 48m

2 stops

SEA1:48 pmSeattle/Tacoma Intl

Jul 22

SEA7:03 amSeattle/Tacoma Intl

22h 12m

2 stops

GMP9:15 pmSeoul Gimpo Intl

$1,981

Japan Airlines

Jul 23

GMP12:05 pmSeoul Gimpo Intl

18h 30m

2 stops

SEA2:35 pmSeattle/Tacoma Intl

Aug 17

SEA7:11 amSeattle/Tacoma Intl

22h 04m

2 stops

GMP9:15 pmSeoul Gimpo Intl

$2,229

momondo Fare Finder

Use the filters below to find and compare flights from Seoul Gimpo Intl Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Tue 10/27

2:25 pm-9:57 pm

2 stops23h 32m

Seattle/Tacoma Intl

Fri 11/27

10:10 am-10:15 pm

2 stops19h 05m

$1,074

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Thu 8/27

7:55 pm-2:25 pm

1 stop34h 30m

Seattle/Tacoma Intl

Thu 9/3

4:30 pm-11:05 am

1 stop26h 35m

$1,237

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Tue 9/1

9:15 am-2:22 pm

2 stops21h 07m

Seattle/Tacoma Intl

Mon 9/7

10:40 am-10:25 pm

2 stops19h 45m

$1,261

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Sat 8/29

1:50 pm-7:50 pm

1 stop22h 00m

Seattle/Tacoma Intl

Sun 10/4

1:30 am-6:10 pm

1 stop24h 40m

$1,266

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Thu 10/15

12:40 pm-2:25 pm

1 stop17h 45m

Seattle/Tacoma Intl

Thu 10/29

10:10 am-10:30 pm

2 stops20h 20m

$1,269

Quickest round-trip

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Tue 10/27

12:25 pm-2:20 pm

1 stop17h 55m

Seattle/Tacoma Intl

Tue 11/24

10:10 am-10:30 pm

2 stops19h 20m

$1,270

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Mon 9/7

12:40 pm-2:25 pm

1 stop17h 45m

Seattle/Tacoma Intl

Mon 9/21

4:30 pm-11:05 am

1 stop26h 35m

$1,273

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Tue 10/27

12:25 pm-6:22 pm

2 stops21h 57m

Seattle/Tacoma Intl

Tue 11/24

10:10 am-10:30 pm

2 stops19h 20m

$1,278

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Thu 12/10

7:45 am-1:20 pm

1 stop22h 35m

Seattle/Tacoma Intl

Tue 12/22

10:10 am-10:30 pm

2 stops19h 20m

$1,280

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Thu 12/10

12:25 pm-6:22 pm

2 stops22h 57m

Seattle/Tacoma Intl

Tue 12/22

10:10 am-10:30 pm

2 stops19h 20m

$1,281

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seoul Gimpo Intl Airport to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Seoul Gimpo Intl Airport is on a Monday. momondo users have found tickets for Monday departures for as low as $709. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Seoul Gimpo Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $929.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Seoul Gimpo Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $760 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the evening, with an average ticket price of $773. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Seoul Gimpo Intl Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul Gimpo Intl Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seoul Gimpo Intl Airport to Seattle (GMP to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul Gimpo Intl Airport to Seattle

Fastest flight time	14h 45m
Direct flights	None

The fastest flight from Seoul Gimpo Intl Airport to Seattle takes 14h 45m

There are no direct flights from Seoul Gimpo Intl Airport to Seattle. There are no popular flight routes from Seoul Gimpo Intl Airport to Seattle.

Search flight deals

Frequently asked questions about flying from Seoul Gimpo Intl Airport to Seattle

How far is Seoul Gimpo Intl to Seattle/Tacoma Intl by plane?
The distance between Seoul Gimpo Intl and Seattle/Tacoma Intl is about 5173.4 mi. In terms of flight time, this usually takes a little over 14h 45m.
When did momondo last update prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport refresh daily.
How old do you have to be to fly from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Redmond

Kent

Lakewood

Puyallup

Tukwila

Fife

Federal Way

Cle Elum

Marysville

Centralia

Kirkland

Shoreline

Lacey

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to Seattle?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seoul to Seattle. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seoul to Seattle with flexible booking policies on momondo?

Flights from Seoul to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seoul to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seoul to Seattle.

I’m not ready to book a flight from Seoul to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Seoul and alert you when they change.